lock font versions

Author: wusteven815

packages/app-utils/package.json

@@ -47,8 +47,8 @@
     "@deephaven/react-hooks": "file:../react-hooks",
     "@deephaven/redux": "file:../redux",
     "@deephaven/utils": "file:../utils",
-    "@fontsource/fira-mono": "^5.0.13",
-    "@fontsource/fira-sans": "^5.0.20",
+    "@fontsource/fira-mono": "5.0.13",
+    "@fontsource/fira-sans": "5.0.20",
     "@paciolan/remote-component": "2.13.0",
     "@paciolan/remote-module-loader": "^3.0.2",
     "classnames": "^2.5.1"

packages/embed-widget/package.json

@@ -28,8 +28,8 @@
     "@deephaven/plugin": "file:../plugin",
     "@deephaven/redux": "file:../redux",
     "@deephaven/utils": "file:../utils",
-    "@fontsource/fira-mono": "^5.0.13",
-    "@fontsource/fira-sans": "^5.0.20",
+    "@fontsource/fira-mono": "5.0.13",
+    "@fontsource/fira-sans": "5.0.20",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "react-redux": "^7.2.4",