fix(deps): update module golang.org/x/net to v0.48.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
golang.org/x/net	v0.42.0 → v0.48.0

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[renovate]

ℹ Artifact update notice

File name: agent/go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 3 additional dependencies were updated
• The go directive was updated for compatibility reasons

Details:

Package	Change
go	1.24 -> 1.24.0
golang.org/x/crypto	v0.40.0 -> v0.46.0
golang.org/x/sys	v0.34.0 -> v0.39.0
golang.org/x/text	v0.27.0 -> v0.32.0

[renovate]

ℹ️ Artifact update notice

File name: agent/go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 3 additional dependencies were updated
• The go directive was updated for compatibility reasons

Details:

Package	Change
go	1.24 -> 1.24.0
golang.org/x/crypto	v0.40.0 -> v0.46.0
golang.org/x/sys	v0.34.0 -> v0.39.0
golang.org/x/text	v0.27.0 -> v0.32.0