Update ekofr/pihole-exporter Docker tag to v1

[wyrihaximus-net-renovate-bot]

This PR contains the following updates:

Package	Update	Change
ekofr/pihole-exporter	major	v0.4.0 -> v1.2.0

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This PR has been generated by Renovate Bot.

[github-actions]

Smart Diff (redis-db-assignment-operator): Success

Check succeeded with tolerance same (expected same or better)

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--- charts/redis-db-assignment-operator/README.current.md
+++ charts/redis-db-assignment-operator/README.md

[github-actions]

Smart Diff (cron-jobs): Success

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--- charts/cron-jobs/README.current.md
+++ charts/cron-jobs/README.md

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Smart Diff (default-backend): Success

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--- charts/default-backend/README.current.md
+++ charts/default-backend/README.md

[github-actions]

Smart Diff (pi-hole-exporter): Failure

Expected tolerance same but got worse instead

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--- charts/pi-hole-exporter/README.current.md
+++ charts/pi-hole-exporter/README.md
@@ -41,9 +41,9 @@
 |-----|------|---------|-------------|
 | configurationSecret | string | `"pi-hole"` |  |
 | image.pullPolicy | string | `"IfNotPresent"` |  |
 | image.repository | string | `"ekofr/pihole-exporter"` |  |
-| image.tag | string | `"v0.4.0"` |  |
+| image.tag | string | `"v1.2.0"` |  |
 | replicas | int | `1` |  |
 | resources.limits.cpu | string | `"30m"` |  |
 | resources.limits.memory | string | `"64Mi"` |  |
 | resources.requests.cpu | string | `"30m"` |  |

[github-actions]

Smart Diff (docker-hub-exporter): Success

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--- charts/docker-hub-exporter/README.current.md
+++ charts/docker-hub-exporter/README.md

[github-actions]

Smart Diff (redirect): Success

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--- charts/redirect/README.current.md
+++ charts/redirect/README.md