Bump org.spigotmc:spigot-api

Bumps org.spigotmc:spigot-api from 1.21.11-R0.2-SNAPSHOT to 26.1.2-R0.1-SNAPSHOT.

---
updated-dependencies:
- dependency-name: org.spigotmc:spigot-api
  dependency-version: 26.1.2-R0.1-SNAPSHOT
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -34,7 +34,7 @@ dependencies {
     // https://github.com/google/gson
     library 'com.google.code.gson:gson:2.13.2'
     // https://hub.spigotmc.org/stash/projects/SPIGOT/repos/spigot/browse
-    compileOnly 'org.spigotmc:spigot-api:1.21.11-R0.2-SNAPSHOT'
+    compileOnly 'org.spigotmc:spigot-api:26.1.2-R0.1-SNAPSHOT'
     // https://github.com/UltraCosmetics/UltraCosmetics
     compileOnly ('com.github.UltraCosmetics:UltraCosmetics:3.14-RELEASE') {
         attributes {