treewide: radicle.{xyz → dev,network}

We have moved to radicle.dev, so adjust the domain name in various
places.

Not changed:
 - COB type names
 - systemd secret identifiers

scripts/changelog

@@ -49,7 +49,7 @@ echo
 echo "## Installation"
 echo
 echo '```'
-echo "curl -sSf https://radicle.xyz/install | sh -s -- --no-modify-path --version=$version"
+echo "curl -sSf https://radicle.dev/install | sh -s -- --no-modify-path --version=$version"
 echo '```'
 echo
 echo "## Notes"

scripts/just/check-keywords.sh

@@ -6,6 +6,10 @@ echo "${CHECK}Checking for forbidden words in staged files...${NORMAL}"
 STAGED_FILES=$(git diff --cached --name-only --diff-filter=ACMR | grep '\.rs$' || true)
 
 if [ -n "$STAGED_FILES" ]; then
+    if echo "$STAGED_FILES" | xargs rg --context=3 --fixed-strings 'radicle.dev'; then
+        exit 1
+    fi
+
     if echo "$STAGED_FILES" | xargs rg --context=3 --fixed-strings 'radicle.xyz'; then
         exit 1
     fi