chore(deps): Update logback monorepo to v1.6.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ch.qos.logback:logback-classic (source, changelog)	1.5.20 → 1.6.3
ch.qos.logback:logback-core (source, changelog)	1.5.20 → 1.6.3

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[github-actions]

Test Results

9 tests  ±0   9 ✅ ±0   0s ⏱️ ±0s
3 suites ±0   0 💤 ±0 
3 files   ±0   0 ❌ ±0 

Results for commit 5ad2149. ± Comparison against base commit 8135a00.

This pull request removes 3 and adds 3 tests. Note that renamed tests count towards both.

org.incendo.cloud.discord.slash.StandardOptionRegistryTest ‑ [2] clazz=class java.lang.Integer, expected=DiscordOptionType{name=INTEGER, value=4, type=io.leangen.geantyref.TypeToken$1@1e6d1014}
org.incendo.cloud.discord.slash.StandardOptionRegistryTest ‑ [3] clazz=class java.lang.Boolean, expected=DiscordOptionType{name=BOOLEAN, value=5, type=io.leangen.geantyref.TypeToken$1@409bf450}
org.incendo.cloud.discord.slash.StandardOptionRegistryTest ‑ [4] clazz=class java.lang.Double, expected=DiscordOptionType{name=NUMBER, value=10, type=io.leangen.geantyref.TypeToken$1@22f31dec}

org.incendo.cloud.discord.slash.StandardOptionRegistryTest ‑ [2] clazz=class java.lang.Integer, expected=DiscordOptionType{name=INTEGER, value=4, type=io.leangen.geantyref.TypeToken$1@694e1548}
org.incendo.cloud.discord.slash.StandardOptionRegistryTest ‑ [3] clazz=class java.lang.Boolean, expected=DiscordOptionType{name=BOOLEAN, value=5, type=io.leangen.geantyref.TypeToken$1@74f0ea28}
org.incendo.cloud.discord.slash.StandardOptionRegistryTest ‑ [4] clazz=class java.lang.Double, expected=DiscordOptionType{name=NUMBER, value=10, type=io.leangen.geantyref.TypeToken$1@e57b96d}

♻️ This comment has been updated with latest results.