Bump golang.org/x/tools from 0.25.0 to 0.26.0

Bumps golang.org/x/tools from 0.25.0 to 0.26.0.

Commits

• 2ab3b51 go.mod: update golang.org/x dependencies
• 2683c79 gopls/internal/golang/stubmethods: rename analysis/stubmethods
• efd951d gopls/internal/analysis/stubmethods: merge into CodeAction
• d0d0d9e gopls/internal/cache: memoize dependent hash on analysisNode
• a19eef6 gopls/internal/cache: express packageHandle as a state machine
• dd745ec gopls/internal/test/marker: update regression test issue68918.txt
• a02ee35 go/analysis/passes/stdversion: reenable tests
• a24facf all: set gotypesalias=0 explicitly
• ce2a33e gopls/internal: fix extract refactor for cases with anonymous functions
• a2ff832 go/ssa: remove references to GOEXPERIMENT range
• Additional commits viewable in compare view