Add a tool to update old config files to the latest version. (#8300)

A manual backport of #8281, adjusted to stop at v0.35.

* Update pending changelog.
* Backport applicable fixes for v0.35 from master.

.github/workflows/lint.yml

@@ -1,7 +1,11 @@
-name: Lint
-# Lint runs golangci-lint over the entire Tendermint repository
-# This workflow is run on every pull request and push to master
-# The `golangci` job will pass without running if no *.{go, mod, sum} files have been modified.
+name: Golang Linter
+# Lint runs golangci-lint over the entire Tendermint repository.
+#
+# This workflow is run on every pull request and push to master.
+#
+# The `golangci` job will pass without running if no *.{go, mod, sum}
+# files have been modified.
+
 on:
   pull_request:
   push:
@@ -13,11 +17,11 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 8
     steps:
-      - uses: actions/checkout@v2.4.0
-      - uses: actions/setup-go@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
         with:
-          go-version: '^1.16'
-      - uses: technote-space/get-diff-action@v5
+          go-version: '^1.17'
+      - uses: technote-space/get-diff-action@v6.0.1
         with:
           PATTERNS: |
             **/**.go
@@ -25,8 +29,11 @@ jobs:
             go.sum
       - uses: golangci/golangci-lint-action@v3.1.0
         with:
-          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
+          # Required: the version of golangci-lint is required and
+          # must be specified without patch version: we always use the
+          # latest patch version.
           version: v1.45
           args: --timeout 10m
           github-token: ${{ secrets.github_token }}
+          skip-cache: true
         if: env.GIT_DIFF