Update renovate/renovate Docker tag to v31.21.2

This MR contains the following updates:

Package	Type	Update	Change
renovate/renovate	Kustomization	minor	31.14.0 -> 31.21.2

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Release Notes

renovatebot/renovate

v31.21.2

31.21.2 (2022-01-09)

Bug Fixes

• aws-machine-image: lazily load ec2client (#​13437) (e3d213e)

v31.21.1

31.21.1 (2022-01-09)

Code Refactoring

• ensure strict null check node,npm (#​13404) (692f4b7)
• hex: ensure strict null check (#​13394) (fdb55ae)
• util/http: Refresh queue implementation (#​13417) (f32871e)

Documentation

• self-hosting examples: misc small fixes (#​13426) (576a7c5)

Miscellaneous Chores

• deps: update dependency @​types/jest to v27.4.0 (#​13411) (b94c20b)
• deps: update dependency eslint to v8.6.0 (#​13427) (de140c2)
• deps: update dependency eslint-plugin-jest to v25.3.3 (#​13410) (ea653da)
• deps: update dependency eslint-plugin-jest to v25.3.4 (#​13436) (07373f1)

Build System

• deps: update dependency luxon to v2.3.0 (#​13439) (eba46b8)

v31.21.0

Features

• Add 'and', 'or' and 'containsString' to handlebar helpers (#​13341) (7770888)

v31.20.0

Features

• datasource/pypi: override mkdocs-material source url (#​13376) (8aadfbc)

v31.19.1

31.19.1 (2022-01-06)

Bug Fixes

• manager/pip_requirements: handle lines with environment markers in requirements.txt (#​13403) (3972609)

Miscellaneous Chores

• deps: update dependency conventional-changelog-conventionalcommits to v4.6.3 (#​13391) (2fa5113)
• preview presets: improve descriptions (#​13392) (c84748e)

Code Refactoring

• More strict null checks (#​13387) (9743f1e)
• ruby: ensure strict null check (#​13278) (0331116)

Documentation

• capitalize proper nouns (#​13379) (da7092e)
• fix preset layout (#​13377) (6d5f4a5)
• package presets: capitalize proper nouns (#​13402) (b4470ea)
• running renovate: update redirected links (#​13381) (65229c8)
• update redirected links (#​13380) (1fd2973)

v31.19.0

Features

• matchBaseBranches: Support regex expression (#​13322) (d723d78)

Bug Fixes

• Update repology multi package project filtering (#​13368) (a3d38b1)

v31.18.0

Features

• gomod: support .git repository indicators on gitlab (#​13352) (9e7c3ae)

v31.17.0

Features

• gitlab: support getDigest for gitlab repositories (#​13361) (32ee265)

v31.16.0

Features

• preset: add ZXing.Net monorepo (#​13372) (2e258d8)

Code Refactoring

• Strict null checks (#​13342) (cc76e41)

Miscellaneous Chores

• deps: update dependency eslint-plugin-jest to v25.3.2 (#​13353) (b34b099)
• deps: update linters to v5.8.1 (#​13351) (1a9f518)

v31.15.0

Features

• preset: Add sentry-dotnet monorepo (#​13340) (f43a40f)

Tests

• Refactor snapshot-only test cases (#​13324) (f7869e1)

Miscellaneous Chores

• deps: lock file maintenance (#​13331) (f7b7ec5)
• deps: update dependency conventional-changelog-conventionalcommits to v4.6.2 (#​13323) (69bada9)
• deps: update dependency re2 to v1.17.2 (#​13329) (b6ede9a)

Code Refactoring

• Add more strict null checks (#​13332) (f0906eb)

Documentation

• local development: add refactor MR test note (#​13335) (64e5c70)
• self-hosting: update renovate/renovate refs (#​13339) (5d513a9)
• simplify text, use monospace for versions (#​13338) (10088e1)
• update references to renovate/renovate to v31.14.1 (#​13330) (df77a50)
• use cases: simplify text (#​13337) (fb05c4c)

v31.14.1

31.14.1 (2022-01-01)

Miscellaneous Chores

• deps: update dependency @​types/node to v16.11.16 (#​13310) (5570f2c)
• deps: update dependency @​types/node to v16.11.17 (#​13313) (c5d02d8)

Build System

• deps: update dependency node-html-parser to v5.2.0 (#​13321) (75d66b8)

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