fix(ethers-v6): always use view overrides for statcCalls

[paco0x]

Fixes: https://github.com/dethcrypto/TypeChain/issues/861

The overrides for static call functions should always be view overrides in order to use properties like blockTag.

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: d7df67c991fac0e310eb7f1c9909c77723885e9e

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

| Name | Type | | -------------------- | ----- | | @typechain/ethers-v6 | Patch | | @typechain/hardhat | Patch |

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