chore(ci): Update tracking namespaces for firefox fenix builds. (#11648)

Because

- The namespaces we were using to track fenix builds in Mozilla central
were incorrect

This commit

- Updates the namespaces and the files with the correct task IDs

Fixes #11647

experimenter/tests/firefox_fenix_beta_build.env

@@ -1 +1 @@
-FIREFOX_FENIX_BETA_TASK_ID="Nm06KKu8SBypTeRBUxZYvQ"
+FIREFOX_FENIX_BETA_TASK_ID="KrsLkBXoSoGaiIuReJ8FhQ"

experimenter/tests/firefox_fenix_nightly_build.env

@@ -1 +1 @@
-FIREFOX_FENIX_NIGHTLY_TASK_ID="O_ObKF6AS3GKobNRIqHEig"
+FIREFOX_FENIX_NIGHTLY_TASK_ID="DutcQD5iRqKDpaj1TPlQtQ"

scripts/external_integration_updater_script.sh

@@ -21,16 +21,6 @@ fetch_task_info() {
     local task_id=""
     
     case "$variant" in
-        fenix_release)
-            index_base="mobile.v3.firefox-android.apks.fenix-release.latest"
-            namespace="mobile.v3.firefox-android.apks.fenix-release.latest.x86_64"
-            env_file="firefox_fenix_release_build.env"
-            ;;
-        desktop_beta)
-            index_base="gecko.v2.mozilla-beta.latest.firefox"
-            namespace="gecko.v2.mozilla-beta.latest.firefox.linux64-debug"
-            env_file="firefox_desktop_beta_build.env"
-            ;;
         desktop_release)
             # Fetch release version separately
             # release_version=$(curl "${CURLFLAGS[@]}" "${WHAT_TRAIN_IS_IT_NOW_API}" | jq 'to_entries | last | .key')
@@ -39,14 +29,24 @@ fetch_task_info() {
             mv firefox_desktop_release_build.env experimenter/tests
             return
             ;;
+        desktop_beta)
+            index_base="gecko.v2.mozilla-beta.latest.firefox"
+            namespace="gecko.v2.mozilla-beta.latest.firefox.linux64-debug"
+            env_file="firefox_desktop_beta_build.env"
+            ;;
+        fenix_release)
+            index_base="gecko.v2.mozilla-release.latest.mobile"
+            namespace="gecko.v2.mozilla-release.latest.mobile.fenix-release"
+            env_file="firefox_fenix_release_build.env"
+            ;;
         fenix_beta)
-            index_base="mobile.v3.firefox-android.apks.fenix-beta.latest"
-            namespace="mobile.v3.firefox-android.apks.fenix-beta.latest.x86_64"
+            index_base="gecko.v2.mozilla-beta.latest.mobile"
+            namespace="gecko.v2.mozilla-beta.latest.mobile.fenix-beta"
             env_file="firefox_fenix_beta_build.env"
             ;;
         fenix_nightly)
-            index_base="mobile.v3.firefox-android.apks.fenix-nightly.latest"
-            namespace="mobile.v3.firefox-android.apks.fenix-nightly.latest.x86_64"
+            index_base="gecko.v2.mozilla-central.latest.mobile"
+            namespace="gecko.v2.mozilla-central.latest.mobile.fenix-nightly"
             env_file="firefox_fenix_nightly_build.env"
             ;;
         fennec_release)