Remove some abandoned dependencies (#17532)

#2658 reports these as abandoned, so let's move off them?

.github/workflows/build-dev-binaries.yml

@@ -235,11 +235,11 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           persist-credentials: false
-      - uses: SebRollen/toml-action@b1b3628f55fc3a28208d4203ada8b737e9687876 # v1.2.0
+      - name: "Read MSRV from Cargo.toml"
         id: msrv
-        with:
-          file: "Cargo.toml"
-          field: "workspace.package.rust-version"
+        run: |
+          MSRV=$(grep -m1 'rust-version' Cargo.toml | sed 's/.*"\([^"]*\)".*/\1/')
+          echo "value=$MSRV" >> "$GITHUB_OUTPUT"
       - name: "Install Rust toolchain"
         run: rustup default ${MSRV}
         env:

.github/workflows/check-lint.yml

@@ -56,15 +56,14 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           persist-credentials: false
-      - uses: ludeeus/action-shellcheck@00cae500b08a931fb5698e11e79bfbd38e612a38 # 2.0.0
-        env:
-          # renovate: datasource=github-tags depName=koalaman/shellcheck
-          SHELLCHECK_VERSION: "v0.11.0"
-          SHELLCHECK_OPTS: --shell bash
-        with:
-          version: ${{ env.SHELLCHECK_VERSION }}
-          severity: style
-          check_together: "yes"
+      - name: "Install shellcheck"
+        run: |
+          # renovate: datasource=github-releases depName=koalaman/shellcheck
+          SHELLCHECK_VERSION="v0.11.0"
+          curl -sSL "https://github.com/koalaman/shellcheck/releases/download/${SHELLCHECK_VERSION}/shellcheck-${SHELLCHECK_VERSION}.linux.x86_64.tar.xz" | tar -xJf -
+          sudo mv "shellcheck-${SHELLCHECK_VERSION}/shellcheck" /usr/local/bin/
+      - name: "Run shellcheck"
+        run: find . -name '*.sh' -type f | xargs shellcheck --shell bash --severity style
 
   validate-pyproject:
     timeout-minutes: 10