SVG: Add dompurify preprocessor step

[nmarrs]

What is this feature?

Use dompurify to sanitize all svgs

[grafanabot]

The backport to v8.5.x failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new branch
git switch --create backport-62143-to-v8.5.x origin/v8.5.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x 8b574e22b53aa4c5a35032a58844fd4aaaa12f5f
# Push it to GitHub
git push --set-upstream origin backport-62143-to-v8.5.x
git switch main
# Remove the local backport branch
git branch -D backport-62143-to-v8.5.x

Then, create a pull request where the base branch is v8.5.x and the compare/head branch is backport-62143-to-v8.5.x.

[grafanabot]

The backport to v9.2.x failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new branch
git switch --create backport-62143-to-v9.2.x origin/v9.2.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x 8b574e22b53aa4c5a35032a58844fd4aaaa12f5f
# Push it to GitHub
git push --set-upstream origin backport-62143-to-v9.2.x
git switch main
# Remove the local backport branch
git branch -D backport-62143-to-v9.2.x

Then, create a pull request where the base branch is v9.2.x and the compare/head branch is backport-62143-to-v9.2.x.

[grafanabot]

The backport to v9.3.x failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new branch
git switch --create backport-62143-to-v9.3.x origin/v9.3.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x 8b574e22b53aa4c5a35032a58844fd4aaaa12f5f
# Push it to GitHub
git push --set-upstream origin backport-62143-to-v9.3.x
git switch main
# Remove the local backport branch
git branch -D backport-62143-to-v9.3.x

Then, create a pull request where the base branch is v9.3.x and the compare/head branch is backport-62143-to-v9.3.x.