CI: Fix occasional formatting check failures

Author: WarmUpTill

.github/actions/run-clang-format/action.yaml

@@ -29,6 +29,7 @@ runs:
         eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
         echo "/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin" >> $GITHUB_PATH
         echo "/home/linuxbrew/.linuxbrew/opt/clang-format@16/bin" >> $GITHUB_PATH
+        brew update
         brew install --quiet zsh
         echo ::endgroup::
 
@@ -52,6 +53,7 @@ runs:
 
         if (( ${changes[(I)(*.c|*.h|*.cpp|*.hpp|*.m|*.mm)]} )) {
           echo ::group::Install clang-format-16
+          brew update
           brew install --quiet obsproject/tools/clang-format@16
           echo ::endgroup::