Update dependency gohugoio/hugo to v0.91.1

This MR contains the following updates:

Package	Type	Update	Change
gohugoio/hugo	ironbank-github	patch	v0.91.0 -> v0.91.1
gohugoio/hugo		patch	v0.91.0 -> v0.91.1

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Release Notes

gohugoio/hugo

v0.91.1

Compare Source

This is a bug-fix release with a couple of important fixes.

• media: Also consider extension in FromContent 6779117 @​bep
• media: Add missing BMP and GIF to the default MediaTypes list ce04011 @​bep
• media: Add PDF MIME type cdc7352 @​bep
• deps: Update github.com/evanw/esbuild v0.14.5 => v0.14.7 425c7d9 @​bep
• config/security: Add HOME to default exec env var whitelist fca266e @​bep #​9309
• modules: Set GOCACHE env var 0016e21 @​bep #​9309

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